PlainZIP

Walnutport, PA · standard

ZIP Code 18088

Northampton County, Pennsylvania - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

8,375
167/sq mi
$82,083
Median income
$252,700
Median home value
19.0%
Bachelor's or higher

The verdict

Walnutport pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.

Top 35%
household income, US ZIPs
Top 42%
home value, US ZIPs
167
people per sq mi
88%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 18088 against every reporting US ZIP.

ZIP code 18088 is a mid-sized community (a standard USPS delivery area) in Walnutport, Northampton County, Pennsylvania, home to 8,375 residents across 50.3 square miles, a density of 167 people per square mile, in the New York time zone.

ZIP 18088 lands in the middle-income range, with a median household income of $82,083 (5% above the Pennsylvania average), while per-capita income is $41,030. Poverty here runs at 8.8%, with unemployment measured at 4.1%. On housing, the median home value is $252,700 (11% above the state average) with median rent at $1,331 per month, and 87.8% of occupied units are owner-occupied.

Educational attainment sits below the national norm: 19.0% of adults hold a bachelor's degree or higher, the median age is 50, and the average commute is 29 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 18088, plus 6 more within Northampton County, give a clearer read than the national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 18088

Top 5 sectors by establishment count in Walnutport, PA

Which industries have the most business establishments in ZIP 18088.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 18088, Walnutport, PA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

8,375

Population

50.3

Area (sq mi)

167

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 18088?

50.0

Median Age

46.5%

Male

53.5%

Female

2.4%

Foreign-Born

White 89.3%
African American 2.1%
Asian 1.2%
American Indian or Alaska Native 0.1%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.6%
Hispanic or Latino 4.7%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$82,083

Median Household Income

+5% vs state

$41,030

Per Capita Income

8.8%

Poverty Rate

4.1%

Unemployment Rate

29.1 min

Mean Commute Time

How ZIP 18088 ranks nationally

Walnutport, PA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$82,083 Top 35% higher than 65% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 63.1%
Bachelor's Degree or Higher 19.0%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

3,487

Total Housing Units

3,296

Occupied Units

191

Vacant Units

2.57

Avg Household Size

Occupancy Type

Owner 87.8%
Renter 12.2%

$252,700

Median Home Value

+11% vs state

$1,331

Median Rent

1978

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+1.0%

YoY Change (2024)

243

HPI Index (2000 = 100)

+143%

Total Change Since 2000

Home values in ZIP 18088 have increased 1.0% over the past year (2024). Since 2000, this ZIP has seen +143% cumulative appreciation.

Year Annual Change HPI Index
2020 +1.9% 169
2021 +13.0% 191
2022 +15.0% 219
2023 +9.5% 240
2024 +1.0% 243

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 172 business establishments in ZIP 18088, employing approximately 1,578 people with a combined annual payroll of $62,425,000.

172

Businesses

1,578

Employees

$62.4M

Annual Payroll

13

Industry Sectors

Industry Establishments % of Total
Construction 37 21.5%
Retail trade 28 16.3%
Other services (except public administration) 22 12.8%
Administrative and support and waste management and remediation services 17 9.9%
Accommodation and food services 16 9.3%
Health care and social assistance 13 7.6%
Professional, scientific, and technical services 11 6.4%
Finance and insurance 6 3.5%
Wholesale trade 5 2.9%
Real estate and rental and leasing 5 2.9%
Manufacturing 4 2.3%
Transportation and warehousing 4 2.3%
Information 3 1.7%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 18088 vs 18035 →

ZIP 18088 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 18088 ranks #4 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 18088 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 18088 ranks #6 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
18035 Cherryville, PA 241 1.6 mi
18086 Treichlers, PA 398 2.0 mi
18059 Laurys Station, PA 1,228 3.1 mi
18071 Palmerton, PA 10,578 4.6 mi
18037 Coplay, PA 7,070 5.8 mi
18038 Danielsville, PA 3,091 4.4 mi
18080 Slatington, PA 11,456 4.5 mi
18079 Slatedale, PA 436 5.5 mi
18067 Northampton, PA 17,852 5.3 mi
18030 Bowmanstown, PA 623 6.2 mi

More ZIP Codes in Northampton County

18042 standard
Easton, PA
Pop: 41,570
18017 standard
Bethlehem, PA
Pop: 37,549
18015 standard
Bethlehem, PA
Pop: 32,832
18045 standard
Easton, PA
Pop: 26,391
18064 standard
Nazareth, PA
Pop: 24,073
18020 standard
Bethlehem, PA
Pop: 20,447

Related Areas

Northampton County Walnutport, PA Pennsylvania

Frequently Asked Questions

What county is ZIP code 18088 in? ▼
ZIP code 18088 (Walnutport) is located in Northampton County, Pennsylvania. Northampton County contains multiple ZIP codes, see the full list at /counties/northampton-pa.
What is the population of ZIP code 18088? ▼
ZIP code 18088 in Walnutport, PA has a population of 8,375 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 18088? ▼
The median household income in ZIP 18088 is $82,083, which is 8% above the national average of $76,288.
What is the average home value in ZIP 18088? ▼
The median home value in ZIP 18088 is $252,700, which is 9% below the national average of $278,155.
What is the demographic makeup of ZIP 18088? ▼
The largest racial group in ZIP 18088 is White at 89.3%. Hispanic or Latino residents make up 4.7% of the population.
How many businesses are in ZIP code 18088? ▼
ZIP code 18088 has 172 business establishments employing approximately 1,578 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 18088? ▼
The top industries by establishment count in ZIP 18088 are: Construction (37), Retail trade (28), Other services (except public administration) (22). There are 13 industry sectors represented in total.
How have home values changed in ZIP code 18088? ▼
According to the FHFA House Price Index, home values in ZIP 18088 increased by 1.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 143%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 18088? ▼
In ZIP code 18088, 63.1% of residents aged 25+ have a high school diploma or higher, and 19.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 18088? ▼
The mean commute time for workers in ZIP code 18088 is 29.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 18088? ▼
In ZIP code 18088, approximately 87.8% of occupied housing units are owner-occupied and 12.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 18088? ▼
The poverty rate in ZIP code 18088 is 8.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.